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New Review Papers on Food Reward

As research on the role of reward/palatability in obesity continues to accelerate, interesting new papers are appearing weekly. Here is a roundup of review papers I've encountered in the last three months. These range from somewhat technical to very technical, but I think they should be mostly accessible to people with a background in the biological sciences.

Food and Drug Reward: Overlapping Circuits in Human Obesity and AddictionWritten by Dr. Nora D. Volkow and colleagues. This paper describes the similarities between the mechanisms of obesity and addiction, with a focus on human brain imaging studies. Most researchers don't think obesity is an addiction per se, but the mechanisms (e.g., brain areas important for reward) do seem to overlap considerably. This paper is well composed and got a lot of media attention. Dr. Volkow is the director of the National Institute on Drug Abuse, a branch of the National Institutes of Health. The NIH is the main source of biomedical research funding in the US, and also conducts its own research.